cooltech.iafrica.com | coolscience Fish changes sex for harmony: "Clownfish � an aquarium-lover's delight because of their orange 'face' and white rings � make the astonishing switch in sex and size in order to ensure harmony within their group, Buston suggests.
'This strategy to prevent conflict is a surprising departure from the more usual ploy used by many animals, of modifying their behaviour within the group,' he reports in Thursday's issue of Nature, the British science weekly.
'The maintenance of size differences may resolve evolutionary conflict over group membership, because subordinates do not become a threat to their dominants.' "
Curious reading in light of the previous 'heavy' post.